(19)
(11) EP 2 315 002 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.12.2012 Bulletin 2012/49

(43) Date of publication A2:
27.04.2011 Bulletin 2011/17

(21) Application number: 10012503.8

(22) Date of filing: 17.05.1999
(51) International Patent Classification (IPC): 
G01N 21/25(2006.01)
G01N 21/03(2006.01)
 G01N 21/64(2006.01)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 16.05.1998 US 85765 P
14.07.1998 US 92784 P

(62) Application number of the earlier application in accordance with Art. 76 EPC:
08011345.9 / 1978351
99924365.2 / 1078245

(71) Applicant: Life Technologies Corporation
Carlsbad, CA 92008 (US)

(72) Inventors:
  • Gambini, Michael R.
    Bolton, Massachusetts 01740-1103 (US)
  • Atwood, John G.
    deceased (US)
  • Young, Eugene F.
    Marietta, Georgia 30062 (US)
  • Lakatos, Edward J.
    Bethel, CT 06801 (US)
  • Cerrone, Anthony L.
    New Haven, CT (US)

(74) Representative: Roberts, Mark Peter 
J A Kemp 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) Filter module for an optical instrument used in particular for monitoring DNA polymerase chain reactions


(57) A filter module (30) suitable for an optical instrument (A) for monitoring polymerase chain reaction replication of DNA in a reaction apparatus (B) that includes a thermal cycler block for holding a plurality of vials containing a suspension of ingredients for the reaction, the optical instrument including a housing suitable for receiving the filter module, the filter module comprising: a beam splitter (6) an excitation filter (7); an emission filter (8); and a support frame (34, 36, 40, 44); wherein:
the beam splitter (6), the excitation filter (7) and the emission filter (8) are affixed to the support frame;
the filter module (30) is suitable for being received in the housing of the optical instrument;
the beam splitter (6), the excitation filter (7) and the emission filter (8), and thereby the filter module (30), are associated with a selected dye for the suspension; and
the filter module (3) is removable from the housing of the optical instrument for replacement with another filter module associated with another selected dye.







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